2 * Copyright 2000-2010 JetBrains s.r.o.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package com
.intellij
.codeInsight
.navigation
;
18 import com
.intellij
.codeInsight
.hint
.HintUtil
;
19 import com
.intellij
.codeInsight
.daemon
.GutterIconNavigationHandler
;
20 import com
.intellij
.ide
.util
.PsiElementListCellRenderer
;
21 import com
.intellij
.openapi
.actionSystem
.AnAction
;
22 import com
.intellij
.openapi
.actionSystem
.AnActionEvent
;
23 import com
.intellij
.openapi
.editor
.markup
.GutterIconRenderer
;
24 import com
.intellij
.openapi
.ui
.popup
.JBPopupFactory
;
25 import com
.intellij
.openapi
.ui
.popup
.JBPopup
;
26 import com
.intellij
.openapi
.util
.NotNullLazyValue
;
27 import com
.intellij
.psi
.PsiElement
;
28 import com
.intellij
.psi
.SmartPsiElementPointer
;
29 import com
.intellij
.ui
.awt
.RelativePoint
;
30 import com
.intellij
.util
.NullableFunction
;
31 import com
.intellij
.util
.PsiNavigateUtil
;
32 import com
.intellij
.util
.containers
.ContainerUtil
;
33 import org
.jetbrains
.annotations
.Nullable
;
36 import java
.awt
.event
.MouseEvent
;
37 import java
.util
.List
;
42 public abstract class NavigationGutterIconRenderer
extends GutterIconRenderer
implements GutterIconNavigationHandler
<PsiElement
>{
43 private final String myPopupTitle
;
44 private final String myEmptyText
;
45 private final PsiElementListCellRenderer myCellRenderer
;
46 private final NotNullLazyValue
<List
<SmartPsiElementPointer
>> myPointers
;
48 protected NavigationGutterIconRenderer(final String popupTitle
, final String emptyText
, final PsiElementListCellRenderer cellRenderer
,
49 final NotNullLazyValue
<List
<SmartPsiElementPointer
>> pointers
) {
50 myPopupTitle
= popupTitle
;
51 myEmptyText
= emptyText
;
52 myCellRenderer
= cellRenderer
;
53 myPointers
= pointers
;
56 public boolean isNavigateAction() {
60 public List
<PsiElement
> getTargetElements() {
61 return ContainerUtil
.mapNotNull(myPointers
.getValue(), new NullableFunction
<SmartPsiElementPointer
, PsiElement
>() {
62 public PsiElement
fun(final SmartPsiElementPointer smartPsiElementPointer
) {
63 return smartPsiElementPointer
.getElement();
68 public boolean equals(final Object o
) {
69 if (this == o
) return true;
70 if (o
== null || getClass() != o
.getClass()) return false;
72 final NavigationGutterIconRenderer renderer
= (NavigationGutterIconRenderer
)o
;
74 if (myCellRenderer
!= null ?
!myCellRenderer
.equals(renderer
.myCellRenderer
) : renderer
.myCellRenderer
!= null) return false;
75 if (myEmptyText
!= null ?
!myEmptyText
.equals(renderer
.myEmptyText
) : renderer
.myEmptyText
!= null) return false;
76 if (!myPointers
.equals(renderer
.myPointers
)) return false;
77 if (myPopupTitle
!= null ?
!myPopupTitle
.equals(renderer
.myPopupTitle
) : renderer
.myPopupTitle
!= null) return false;
82 public int hashCode() {
84 result
= (myPopupTitle
!= null ? myPopupTitle
.hashCode() : 0);
85 result
= 31 * result
+ (myEmptyText
!= null ? myEmptyText
.hashCode() : 0);
86 result
= 31 * result
+ (myCellRenderer
!= null ? myCellRenderer
.hashCode() : 0);
87 result
= 31 * result
+ myPointers
.hashCode();
91 public PsiElementListCellRenderer
getCellRenderer() {
92 return myCellRenderer
;
96 public AnAction
getClickAction() {
97 return new AnAction() {
98 public void actionPerformed(AnActionEvent e
) {
99 navigate(e
== null ?
null : (MouseEvent
)e
.getInputEvent(), null);
104 public void navigate(final MouseEvent event
, final PsiElement elt
) {
105 final List
<PsiElement
> list
= getTargetElements();
106 if (list
.isEmpty()) {
107 if (myEmptyText
!= null) {
108 final JLabel renderer
= HintUtil
.createErrorLabel(myEmptyText
);
109 final JBPopup popup
= JBPopupFactory
.getInstance().createComponentPopupBuilder(renderer
, renderer
).createPopup();
111 popup
.show(new RelativePoint(event
));
116 if (list
.size() == 1) {
117 PsiNavigateUtil
.navigate(list
.iterator().next());
120 final JBPopup popup
= NavigationUtil
.getPsiElementPopup(list
.toArray(new PsiElement
[list
.size()]), myCellRenderer
, myPopupTitle
);
122 popup
.show(new RelativePoint(event
));